Common Terms and Acronyms

Other Health Insurance (OHI)

OHI is any non-TRICARE health insurance that is not considered a supplement. This insurance is acquired through an employer, entitlement program or other source. Under federal law, TRICARE is the secondary payer to all health benefits and insurance plans, except for Medicaid, TRICARE supplements, the Indian Health Service, or other programs or plans as identified by the Defense Health Agency (DHA).

Outside the Continental United States (OCONUS)

For TRICARE purposes, OCONUS refers to all areas outside the 50 states.